Well 17% of an online community of "enthusaiasts" has voted that they have excessive oil consumption.
The 17% is as mentioned, from a small sample. But at least its a real number provided by people using a survey. Not some percentage someone just pulled out of his head to feed his ego.
You used to constantly refer to this poll in the oil light thread, but not letting new members/owners vote and the rising percentage as time goes on are probably why you don't refer to it for your "data" any more.